wall brought in to court. >> what is it? >> this is a piece of wall cut out and collected as item number 77-lb. >> this is what we are looking at in the this photograph. >> while it is still in the wall, yes. >> wperhaps the most evidence came from the camera found a washing machine. technicians restored photos that were once deleted. >> with regard to the items that were deleted, were there some that involved mr. alexander in the shower? >> yes. >> what made these pictures key to the case had to do with a feature built in to the camera. >> these images, when you take it with this camera, it embeds the date and time the camera has to the file itself. >> meaning for the prosecution those photos along with the other evidence, told a story. that jodi showed up at travis'